匿名用户 2021-10-14 19:35 数学类Mathematics

Let f() be continuous function, and=z(x,y), determined byx2+y2+z=f(x+y-t)dt, to calculate az az

匿名用户 2021-10-14 19:34 数学类Mathematics

Lety=3e-x+(x-2)ex be the particular solution of the second-order- nonhomogeneous linear differential equation with const... 查看全部

匿名用户 2021-10-14 19:39 数学类Mathematics

Let the plane figure be determined by x2+y2≤2 x and≥x, and calculate the volume formula of the rotating body obtained by... 查看全部

匿名用户 2021-10-14 19:38 数学类Mathematics

function(t)in(o,+∞ is the second order continuous differentiable, function=f (vx2+y2) if meet? =, if f()= 0, calculate f... 查看全部

匿名用户 2021-10-14 19:38 数学类Mathematics

Let the function f(x) ( 0) continuously differentiable, and f(O)=1, and given that the area value of the graph formed by... 查看全部

匿名用户 2021-10-14 19:37 数学类Mathematics

Proof: when>0,x2>(1+x)n2(1+x).

匿名用户 2021-10-14 19:37 数学类Mathematics

()-cosx Let g(x) be second differentiable, and f(x)=x,x≠0 a,x=0 (1)Evaluate the constant a such that f(x) is continuous ... 查看全部

匿名用户 2021-10-14 19:36 数学类Mathematics

Let y=y(x) determined by x3+3x2y-2y3 =2, find the extreme value of y=y(x).

匿名用户 2021-10-14 19:36 数学类Mathematics

Let be the third-order matrix, whose eigenvalues are 1=-2, 12=13=1, and its corresponding linearly independent eigenvect... 查看全部